{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943123,-0.332445,0.000000,0.000000,0.186163,-0.528130,0.828506,0.000000,-0.274851,0.779731,0.562562,0.000000,-1754895.049343,4978508.544458,3567861.584623,1],    "boundingVolume": {    "region": [1.909634,0.597457,1.909748,0.597507,0.000000,8.628671]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6.b3dm"}}}